<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
    <title>get file input full path</title>
    <script language='javascript'>
        function getFullPath(obj)
        {
            if(obj)
            {
//ie
                if (window.navigator.userAgent.indexOf("MSIE")>=1)
                {
                    obj.select();
                    return document.selection.createRange().text;
                }
//firefox
                else if(window.navigator.userAgent.indexOf("Firefox")>=1)
                {
                    if(obj.files)
                    {
                        return obj.files.item(0).getAsDataURL();
                    }
                    return obj.value;
                }
                return obj.value;
            }
        }
    </script>
</head>
<body>
<input type="file" onchange="document.getElementById('img').src=getFullPath(this);" />
<img id="img" />
</body>
</html>